A Study of HFB200603 as a Single Agent and in Combination With Tislelizumab in Adult Patients With Advanced Solid Tumors
Public ClinicalTrials.gov record NCT05789069. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 1a/1b, Open-Label, Multi-Center, Dose Escalation and Expansion Study of HFB200603 (Anti-BTLA Antibody) as a Single Agent and in Combination With Tislelizumab (Anti-PD-1 Antibody) in Adult Patients With Advanced Solid Tumors
Study identification
- NCT ID
- NCT05789069
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- HiFiBiO Therapeutics
- Industry
- Enrollment
- 83 participants
Conditions and interventions
Conditions
Interventions
- HFB200603 Drug
- Tislelizumab Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 8, 2023
- Primary completion
- Nov 30, 2026
- Completion
- Nov 30, 2026
- Last update posted
- Jun 7, 2026
2023 – 2026
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| USC Norris Comprehensive Cancer Center | Los Angeles | California | 90033 | — |
| Fox Chase Cancer Center | Philadelphia | Pennsylvania | 19111 | — |
| New Experimental Therapeutics of Virginia - NEXT Oncology | Fairfax | Virginia | 22031 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 8 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05789069, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 7, 2026 · Synced Jul 23, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05789069 live on ClinicalTrials.gov.